Nikon D300 User Manual page 95

Continuous-servo A F
Press the AE-L/AF-L b utton to lock both
focus and exposure (an AE-Licon appears
in the viewfinder, see page 112). Focus
and exposure will remain locked while
the AE-LIAF-L button is pressed, even if
you later remove your finger from the
shutter-release button.
Shutter-release
button
AE-L/AF-Lbutton
3
Recompose the
photograph and shoot.
Focus will remain locked
between shots as long as the
shutter-release button is kept
pressed halfway, allowing several photographs in succession
to be taken at the same focus setting. Focus will also remain
locked between shots while the AE-I./AF-I. button is pressed.
Do not change the distance between the camera and the
subject while focus lock is in effect. If the subject moves, focus
again at the new distance.
[] See Also
For information on choosing the role played by the AE-L/AF-L button, see
Custom Setting f6 ([Assign AE-L/AF-L button], pg. 306).
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